Outdoor weather-resistant SMC material and preparation method thereof
A weather-resistant, outdoor technology, applied in the field of composite insulation materials, can solve the problems of SMC materials such as lack of weather resistance, poor UV stability and hydrolysis stability
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Embodiment 1
[0095] Prepare the weather-resistant SMC material for outdoor use as follows:
[0096] (1) Prepare raw materials according to the following mass percentages: 16.5wt% weather-resistant unsaturated polyester resin, 6wt% weather-resistant low-shrinkage additive, 2wt% weather-resistant color paste, 0.3wt% ultraviolet light absorber, and 0.5wt% process additive , Filling material 55wt%, curing agent 0.4wt%, release agent 0.8wt%, thickener 0.4wt%, antioxidant 0.1wt%, non-alkali continuous filament glass fiber 18wt%;
[0097] The weather-resistant unsaturated polyester resin is a product of Nanjing Jinling DSM Resin Co., Ltd., and the model is P19-901;
[0098] The weather-resistant low-shrinkage additive is a product of Nanjing Jinling DSM Co., Ltd., and the model is H851-02;
[0099] The weather-resistant color paste is a color paste made by mixing and grinding weather-resistant toner and weather-resistant monomer-free unsaturated polyester resin according to a weight ratio of 1:9...
Embodiment 2
[0114] (1) Prepare raw materials according to the following mass percentages: 22wt% weather-resistant unsaturated polyester resin, 4wt% weather-resistant low-shrinkage additive, 4wt% weather-resistant colorant, 0.1wt% ultraviolet light absorber, 1.0wt% process additive, Filling material 52wt%, curing agent 0.2wt%, release agent 1.2wt%, thickener 0.2wt%, antioxidant 0.3wt%, non-alkali continuous filament glass fiber 15wt%;
[0115] The weather-resistant unsaturated polyester resin is a product of Nanjing Jinling DSM Resin Co., Ltd., and the model is P19-901;
[0116] The weather-resistant low-shrinkage additive is a product of Nanjing Jinling DSM Co., Ltd., and the model is H851-02;
[0117] The weather-resistant color paste is a color paste made by mixing and grinding weather-resistant toner and weather-resistant monomer-free unsaturated polyester resin according to a weight ratio of 1:9; the weather-resistant toner is titanium blue, The mixture of Titanium Green, Red 254, an...
Embodiment 3
[0132] (1) Prepare raw materials according to the following mass percentages: 15wt% weather-resistant unsaturated polyester resin, 8wt% weather-resistant low-shrinkage additive, 1wt% weather-resistant colorant, 0.4wt% ultraviolet light absorber, 0.4wt% process additive, Filling material 53.7wt%, curing agent 0.5wt%, release agent 0.5wt%, thickener 0.45wt%, antioxidant 0.05wt%, non-alkali continuous filament glass fiber 20wt%;
[0133] The weather-resistant unsaturated polyester resin is a product of Nanjing Jinling DSM Resin Co., Ltd., and the model is P19-901;
[0134]The weather-resistant low-shrinkage additive is a product of Nanjing Jinling DSM Co., Ltd., and the model is H851-02;
[0135] The weather-resistant color paste is a product of Shanghai Baomeishi Chemical Co., Ltd., and the model is 062-3M0050;
[0136] The ultraviolet absorber is made of nano-sized TiO 2 Composite powder mixed with ZnO at a weight ratio of 2:1 is a product of Nanjing Huali Mingke Industry and...
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